Label
Class
Class size
Class degree
Base field
Field degree
Field signature
Conductor
Conductor norm
Discriminant norm
Root analytic conductor
Bad primes
Rank
Torsion
CM
CM
Sato-Tate
$\Q$-curve
Base change
Semistable
Potentially good
Nonmax $\ell$
mod-$\ell$ images
$Ш_{\textrm{an}}$
Tamagawa
Regulator
Period
Leading coeff
j-invariant
Weierstrass coefficients
Weierstrass equation
22188.2-i2
22188.2-i
$2$
$7$
\(\Q(\sqrt{-3}) \)
$2$
$[0, 1]$
22188.2
\( 2^{2} \cdot 3 \cdot 43^{2} \)
\( 2^{28} \cdot 3^{14} \cdot 43^{2} \)
$1.88899$
$(-2a+1), (-7a+1), (7a-6), (2)$
$1$
$\Z/7\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$7$
7B.1.1
$1$
\( 2^{2} \cdot 7^{2} \)
$1.008899832$
$0.409862375$
3.819842511
\( \frac{444369620591}{1540767744} \)
\( \bigl[a + 1\) , \( -a\) , \( 0\) , \( 159 a - 159\) , \( 1737\bigr] \)
${y}^2+\left(a+1\right){x}{y}={x}^{3}-a{x}^{2}+\left(159a-159\right){x}+1737$
33282.1-g2
33282.1-g
$2$
$7$
\(\Q(\sqrt{-1}) \)
$2$
$[0, 1]$
33282.1
\( 2 \cdot 3^{2} \cdot 43^{2} \)
\( 2^{28} \cdot 3^{14} \cdot 43^{2} \)
$2.41391$
$(a+1), (3), (43)$
0
$\Z/7\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$7$
7B.1.1
$1$
\( 2^{2} \cdot 7^{2} \)
$1$
$0.409862375$
1.639449500
\( \frac{444369620591}{1540767744} \)
\( \bigl[i\) , \( 0\) , \( 0\) , \( 159\) , \( -1737\bigr] \)
${y}^2+i{x}{y}={x}^{3}+159{x}-1737$
33282.5-g2
33282.5-g
$2$
$7$
\(\Q(\sqrt{-2}) \)
$2$
$[0, 1]$
33282.5
\( 2 \cdot 3^{2} \cdot 43^{2} \)
\( 2^{28} \cdot 3^{14} \cdot 43^{2} \)
$3.41378$
$(a), (-a-1), (a-1), (-3a-5), (3a-5)$
0
$\Z/7\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$7$
7B.1.1
$1$
\( 2^{2} \cdot 7^{3} \)
$1$
$0.409862375$
8.114861012
\( \frac{444369620591}{1540767744} \)
\( \bigl[1\) , \( 0\) , \( 0\) , \( 159\) , \( 1737\bigr] \)
${y}^2+{x}{y}={x}^{3}+159{x}+1737$
1548.1-g2
1548.1-g
$2$
$7$
\(\Q(\sqrt{-43}) \)
$2$
$[0, 1]$
1548.1
\( 2^{2} \cdot 3^{2} \cdot 43 \)
\( 2^{28} \cdot 3^{14} \cdot 43^{2} \)
$3.67549$
$(-2a+1), (2), (3)$
0
$\Z/7\Z$
$\textsf{no}$
$\mathrm{SU}(2)$
✓
✓
✓
$7$
7B.1.1
$4$
\( 2^{2} \cdot 7^{2} \)
$1$
$0.409862375$
2.000109639
\( \frac{444369620591}{1540767744} \)
\( \bigl[1\) , \( 0\) , \( 0\) , \( 159\) , \( 1737\bigr] \)
${y}^2+{x}{y}={x}^3+159{x}+1737$
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*The rank, regulator and analytic order of Ш are
not known for all curves in the database; curves for which these are
unknown will not appear in searches specifying one of these
quantities.